percentage = part ÷ whole × 100Check whether the question asks for a percentage, a change, or a difference—the reference value changes the formula.
Structural engineering
Simply supported beam
Find reactions, max shear and max moment step by step, for a point load or a uniform load.
LocalFree
Engineering study use only
Not a design or certification tool. Do not use the result for construction, manufacturing, procurement, code compliance or any safety-critical decision. Independently verify it.
Not a design or certification tool. Do not use the result for construction, manufacturing, procurement, code compliance or any safety-critical decision. Independently verify it.
Use P and a for a point load, or w for a uniform load — the other fields are ignored. Assumes a simply supported beam resting on two end supports only.
This tool runs on your device in the browser.
Instructions and limitations
TOOL GUIDE
What this tool is for
Simply supported beam — Find reactions, max shear and max moment step by step, for a point load or a uniform load.
Useful for practice, understanding the method, and checking homework steps where outside tools are allowed.
Common uses
- Practice a formula or method
- Check your working
- Review before a lesson or exam
Engineering study use only
This is a learning aid, not a professional design or certification tool. Do not use its result for construction, manufacturing, procurement, code compliance, or safety-critical decisions. Verify independently and consult a qualified professional.
EXPLANATION & EXAMPLE
Understand the result—not just the number
15% of 200 = 0.15 × 200 = 30After calculating, the tool shows the values used and the working so you can check it.